StatChapter08 Part 1: Problem 3 Previous Problem Problem List Next Problem (1 po

Question

StatChapter08 Part 1: Problem 3 Previous Problem Problem List Next Problem (1 point) Find the critical z-score value for each of the following confidence levels. Give each answer to at least three dec imal places * The z-critical value for a(n) 70% contidence level si . The z-crtical value for an) 80% confidence level is. * The zentral value for a(n) 92% conndence level is . The z-cntcal value for a(n) 75% confidence level is: . The Z-crtical value for a(n) 96% confidence level is. Note: You can earn partial creait on this probiem Preview My Answers Submit Answers You have attempted this probiem 0 times You have unimited attlempts remaining Emal instructor 9144 5 6 8 9 ?back

Explanation / Answer

a) Z score for 70% confidence interval = Z0.15 = 1.04

b) Z score for 80% confidence interval = Z0.1 = 1.28

c) Z score for 92% confidence interval = Z0.04 = 1.75

d) Z score for 75% confidence interval = Z0.125 = 1.15

e) Z score for 96% confidence interval = Z0.02 = 2.05

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